💨 Abstract

Lucy Guo, the world's youngest self-made female billionaire from Los Angeles, made her fortune through Scale AI, a company she co-founded in 2016 at 21. Scale AI focuses on providing high-quality training data for AI models. Guo left the company two years later, retaining an estimated 5% stake, which was valued at approximately $1.2 billion this April.

Courtesy: Josie Copson